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COMPOSITE DRIVE BEAM FOR SURGICAL STAPLING
专利权人:
发明人:
申请号:
EP15174466.1
公开号:
EP2962646A1
申请日:
2015.06.30
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
An end effector includes a mounting portion that mounts to a surgical stapling apparatus, first and second jaw members extending distally from the mounting portion, a drive beam engagable with the first and second jaw members, and a threaded drive screw. The first jaw member includes a first tissue engaging surface and the second jaw member supports a fastener cartridge. The fastener cartridge includes a second tissue engaging surface that defines fastener retaining slots that support fasteners. The drive beam includes a retention foot formed of a first material. The retention foot defines a threaded bore that supports a threaded insert formed of a second material. The threaded drive screw is threadably engaged with the threaded insert and is rotatable to distally advance the drive beam along the threaded drive screw to fire and form the fasteners.
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